Monessen Hearth NB24 Electric Heater User Manual


 
81D0107 11
16"
42"
CLEARANCES AND HEIGHT REQUIREMENTS
Sidewall and ceiling clearances: The sides of the fireplace opening must be at least 16" from any combustible wall.
The ceiling must be at least 42" from the top of the fireplace opening.
Figure 4 - Sidewall and Ceiling Clearances
The dimensions shown in Figures 4 through 12 and de ned in the replace manufacturer's
instructions are minimum clearances to maintain when installing this heater. Left and
right clearances are determined when facing the front of the heater.
When heater is installed into a ventless rebox, minimum clearances, as speci ed by
the ventless rebox manufacturer, must be met.
Follow these instructions carefully to ensure safe installation. Failure to follow
instructions exactly can create a re hazard.
WARNING